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发明名称
PISTON RINGS FOR IC ENGINES
摘要
申请公布号
GB8407712(D0)
申请公布日期
1984.05.02
申请号
GB19840007712
申请日期
1984.03.24
申请人
AE PLC
发明人
分类号
B21D5/14;B21D7/08;B21D7/12;B23D15/06;F16J9/12;(IPC1-7):B21D7/08
主分类号
B21D5/14
代理机构
代理人
主权项
地址
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